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L2 Plus Handheld Laser RTK – Ultra Compact
Unforgettable at first sight
L2 Plus impresses with its unique design and ultra-small body size; the dimensions of this RTK receiver are only 61(L)x41(W)x120(H)mm. Such a small-sized RTK receiver can take the place of a cell phone, so putting it into the pocket is not a problem. And the weight of L2 Plus is only 170g, including the internal battery, extremely lightweight that you almost don't feel tired while you hold it for a long time in the field work. The housing of L2 Plus is made of polymer engineering materials, which have the advantages of high strength, high temperature resistance, and corrosion resistance, performing well in complex environments.
Walking ahead in the surveying
L2 Plus fusion laser measurement technology, which can quickly calibrate and easily achieve centimeter-level measurement accuracy, captures a high-precision coordinate for the target point.
With laser measurement, surveyors can collect the coordinates of points that they cannot reach directly or in dangerous places, like the high voltage towers or manhole covers on busy roads, ensuring the safety of personnel. L2 Plus shoots a green laser beam that brings unexpected results. A brighter laser beam can be found on the target easily, shoot a further distance, and achieve higher accuracy, which is more suitable for outdoor scenarios.
Signal-capturing expert
Empowered by a powerful signals tracking algorithm and with the 1408 channels of GNSS engine, L2 Plus is able to track enormous signals of all running satellite constellations quickly; even weak signals can be captured, which improves the fixed rate and speed, so you don't need to wait a long time to get the fixed solution as used to be.
Such an excellent engine algorithm and calculating capability are more than enough to let you easily navigate in complex environments, such as in the thick forest or beside the high buildings; the accuracy can be ensured.
Super Inertial Measurement Unit
The application of IMU in the RTK is a revolutionary advancement. L2 Plus is equipped with a new generation of IMU modules as standard, which are fast initialization, calibration-free, and immune to magnetic interference.
It's incredible how powerful this small body is; it can help you to collect or stake out the accurate topo points coordinates faster and easier. Moreover, the inclination angle can be up to 120°, so that you can reach a higher target point.
Specifications
| GNSS Performance | Channels | 1408 |
| Data Format | RTCM2.X, RTCM3.X | |
| Signals tracking | GPS: L1C/A, L2C, L2P, L5 | |
| GLONASS: L2 | ||
| BDS: B1, B1C, B2, B2a, B2b, B3 | ||
| GALILEO: E1, E5a, E5b, E6 | ||
| QZSS: L1, L2, L5, L6 | ||
| SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM | ||
| Cold start | <60s | |
| Hot start | <15s | |
| Positioning output rate | 1 Hz ~ 50 Hz | |
| Signal reacquisition | <1s | |
| RTK initialization time | <5s | |
| Initialization reliability | >99.99% | |
| Time accuracy | 20 ns | |
| Positioning accuracy* | Static GNSS surveying | H: ±(2.5 mm + 0.5 ppm) |
| V: ±(5 mm + 0.5 ppm) | ||
| RTK surveying | H: ±(8 mm + ppm) | |
| V: ±(15 mm + 1 ppm) | ||
| Laser surveying | ±1 cm + 5 mm/m | |
| IMU | Sensor | Supported 4D IMU |
| initialization in 3 seconds | ||
| Update rate | 400Hz | |
| Accuracy | <2.5cm within 120° | |
| Tilt compensation | 0~120% | |
| Communications | I/O interface | Type-C |
| Bluetooth | Bluetooth V4.0 | |
| Electrical | Battery | Built-in Li-ion battery, supports external power supply |
| Capacity | 2000mAh | |
| Battery life | >12hrs | |
| Interface | Type-C 5V/2A | |
| Environmental | Operating temperature | -40°C~+75°C |
| Storage temperature | -40°C~+85°C | |
| Protection IP | IP67 | |
| Shockproof | Survive a 2m pole drop onto concrete | |
| Vibration | MIL-STD-810G | |
| Humidity | 100% non-condensing | |
| Physical | Dimensions | 120 mm x 61 mm x 41 mm |
| Weight | 170g | |
| Materials | Polymer engineering materials | |
| Keys | Power button | |
| Indicators | 1*Satellite indicator | |
| 1*Bluetooth indicator | ||
| 1. Data communication | ||
| 1*Power indicator |
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α-GEO, founded in 2008, is a global market-leading high-tech company focusing on high-precision GNSS technology.
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